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Theorem dvdsrd 13593
Description: Value of the divides relation. (Contributed by Mario Carneiro, 1-Dec-2014.)
Hypotheses
Ref Expression
dvdsrvald.1  |-  ( ph  ->  B  =  ( Base `  R ) )
dvdsrvald.2  |-  ( ph  -> 
.||  =  ( ||r `  R
) )
dvdsrvald.r  |-  ( ph  ->  R  e. SRing )
dvdsrvald.3  |-  ( ph  ->  .x.  =  ( .r
`  R ) )
Assertion
Ref Expression
dvdsrd  |-  ( ph  ->  ( X  .||  Y  <->  ( X  e.  B  /\  E. z  e.  B  ( z  .x.  X )  =  Y ) ) )
Distinct variable groups:    z, B    z, X    z, Y    z, R    z, 
.x.    ph, z
Allowed substitution hint:    .|| ( z)

Proof of Theorem dvdsrd
Dummy variables  x  y are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 dvdsrvald.r . . . . . 6  |-  ( ph  ->  R  e. SRing )
2 reldvdsrsrg 13591 . . . . . 6  |-  ( R  e. SRing  ->  Rel  ( ||r `  R
) )
31, 2syl 14 . . . . 5  |-  ( ph  ->  Rel  ( ||r `
 R ) )
4 dvdsrvald.2 . . . . . 6  |-  ( ph  -> 
.||  =  ( ||r `  R
) )
54releqd 4744 . . . . 5  |-  ( ph  ->  ( Rel  .||  <->  Rel  ( ||r `  R
) ) )
63, 5mpbird 167 . . . 4  |-  ( ph  ->  Rel  .||  )
7 brrelex12 4698 . . . 4  |-  ( ( Rel  .||  /\  X  .||  Y )  ->  ( X  e.  _V  /\  Y  e.  _V ) )
86, 7sylan 283 . . 3  |-  ( (
ph  /\  X  .||  Y )  ->  ( X  e. 
_V  /\  Y  e.  _V ) )
98ex 115 . 2  |-  ( ph  ->  ( X  .||  Y  -> 
( X  e.  _V  /\  Y  e.  _V )
) )
10 simplr 528 . . . . . 6  |-  ( ( ( ph  /\  X  e.  B )  /\  (
z  e.  B  /\  ( z  .x.  X
)  =  Y ) )  ->  X  e.  B )
1110elexd 2773 . . . . 5  |-  ( ( ( ph  /\  X  e.  B )  /\  (
z  e.  B  /\  ( z  .x.  X
)  =  Y ) )  ->  X  e.  _V )
12 simprr 531 . . . . . . 7  |-  ( ( ( ph  /\  X  e.  B )  /\  (
z  e.  B  /\  ( z  .x.  X
)  =  Y ) )  ->  ( z  .x.  X )  =  Y )
131ad2antrr 488 . . . . . . . . 9  |-  ( ( ( ph  /\  X  e.  B )  /\  (
z  e.  B  /\  ( z  .x.  X
)  =  Y ) )  ->  R  e. SRing )
14 simprl 529 . . . . . . . . . 10  |-  ( ( ( ph  /\  X  e.  B )  /\  (
z  e.  B  /\  ( z  .x.  X
)  =  Y ) )  ->  z  e.  B )
15 dvdsrvald.1 . . . . . . . . . . 11  |-  ( ph  ->  B  =  ( Base `  R ) )
1615ad2antrr 488 . . . . . . . . . 10  |-  ( ( ( ph  /\  X  e.  B )  /\  (
z  e.  B  /\  ( z  .x.  X
)  =  Y ) )  ->  B  =  ( Base `  R )
)
1714, 16eleqtrd 2272 . . . . . . . . 9  |-  ( ( ( ph  /\  X  e.  B )  /\  (
z  e.  B  /\  ( z  .x.  X
)  =  Y ) )  ->  z  e.  ( Base `  R )
)
1810, 16eleqtrd 2272 . . . . . . . . 9  |-  ( ( ( ph  /\  X  e.  B )  /\  (
z  e.  B  /\  ( z  .x.  X
)  =  Y ) )  ->  X  e.  ( Base `  R )
)
19 eqid 2193 . . . . . . . . . 10  |-  ( Base `  R )  =  (
Base `  R )
20 eqid 2193 . . . . . . . . . 10  |-  ( .r
`  R )  =  ( .r `  R
)
2119, 20srgcl 13469 . . . . . . . . 9  |-  ( ( R  e. SRing  /\  z  e.  ( Base `  R
)  /\  X  e.  ( Base `  R )
)  ->  ( z
( .r `  R
) X )  e.  ( Base `  R
) )
2213, 17, 18, 21syl3anc 1249 . . . . . . . 8  |-  ( ( ( ph  /\  X  e.  B )  /\  (
z  e.  B  /\  ( z  .x.  X
)  =  Y ) )  ->  ( z
( .r `  R
) X )  e.  ( Base `  R
) )
23 dvdsrvald.3 . . . . . . . . . 10  |-  ( ph  ->  .x.  =  ( .r
`  R ) )
2423ad2antrr 488 . . . . . . . . 9  |-  ( ( ( ph  /\  X  e.  B )  /\  (
z  e.  B  /\  ( z  .x.  X
)  =  Y ) )  ->  .x.  =  ( .r `  R ) )
2524oveqd 5936 . . . . . . . 8  |-  ( ( ( ph  /\  X  e.  B )  /\  (
z  e.  B  /\  ( z  .x.  X
)  =  Y ) )  ->  ( z  .x.  X )  =  ( z ( .r `  R ) X ) )
2622, 25, 163eltr4d 2277 . . . . . . 7  |-  ( ( ( ph  /\  X  e.  B )  /\  (
z  e.  B  /\  ( z  .x.  X
)  =  Y ) )  ->  ( z  .x.  X )  e.  B
)
2712, 26eqeltrrd 2271 . . . . . 6  |-  ( ( ( ph  /\  X  e.  B )  /\  (
z  e.  B  /\  ( z  .x.  X
)  =  Y ) )  ->  Y  e.  B )
2827elexd 2773 . . . . 5  |-  ( ( ( ph  /\  X  e.  B )  /\  (
z  e.  B  /\  ( z  .x.  X
)  =  Y ) )  ->  Y  e.  _V )
2911, 28jca 306 . . . 4  |-  ( ( ( ph  /\  X  e.  B )  /\  (
z  e.  B  /\  ( z  .x.  X
)  =  Y ) )  ->  ( X  e.  _V  /\  Y  e. 
_V ) )
3029rexlimdvaa 2612 . . 3  |-  ( (
ph  /\  X  e.  B )  ->  ( E. z  e.  B  ( z  .x.  X
)  =  Y  -> 
( X  e.  _V  /\  Y  e.  _V )
) )
3130expimpd 363 . 2  |-  ( ph  ->  ( ( X  e.  B  /\  E. z  e.  B  ( z  .x.  X )  =  Y )  ->  ( X  e.  _V  /\  Y  e. 
_V ) ) )
3215, 4, 1, 23dvdsrvald 13592 . . . . . 6  |-  ( ph  -> 
.||  =  { <. x ,  y >.  |  ( x  e.  B  /\  E. z  e.  B  ( z  .x.  x )  =  y ) } )
3332adantr 276 . . . . 5  |-  ( (
ph  /\  ( X  e.  _V  /\  Y  e. 
_V ) )  ->  .||  =  { <. x ,  y >.  |  ( x  e.  B  /\  E. z  e.  B  ( z  .x.  x )  =  y ) } )
3433breqd 4041 . . . 4  |-  ( (
ph  /\  ( X  e.  _V  /\  Y  e. 
_V ) )  -> 
( X  .||  Y  <->  X { <. x ,  y >.  |  ( x  e.  B  /\  E. z  e.  B  ( z  .x.  x )  =  y ) } Y ) )
35 simpl 109 . . . . . . . 8  |-  ( ( x  =  X  /\  y  =  Y )  ->  x  =  X )
3635eleq1d 2262 . . . . . . 7  |-  ( ( x  =  X  /\  y  =  Y )  ->  ( x  e.  B  <->  X  e.  B ) )
3735oveq2d 5935 . . . . . . . . 9  |-  ( ( x  =  X  /\  y  =  Y )  ->  ( z  .x.  x
)  =  ( z 
.x.  X ) )
38 simpr 110 . . . . . . . . 9  |-  ( ( x  =  X  /\  y  =  Y )  ->  y  =  Y )
3937, 38eqeq12d 2208 . . . . . . . 8  |-  ( ( x  =  X  /\  y  =  Y )  ->  ( ( z  .x.  x )  =  y  <-> 
( z  .x.  X
)  =  Y ) )
4039rexbidv 2495 . . . . . . 7  |-  ( ( x  =  X  /\  y  =  Y )  ->  ( E. z  e.  B  ( z  .x.  x )  =  y  <->  E. z  e.  B  ( z  .x.  X
)  =  Y ) )
4136, 40anbi12d 473 . . . . . 6  |-  ( ( x  =  X  /\  y  =  Y )  ->  ( ( x  e.  B  /\  E. z  e.  B  ( z  .x.  x )  =  y )  <->  ( X  e.  B  /\  E. z  e.  B  ( z  .x.  X )  =  Y ) ) )
42 eqid 2193 . . . . . 6  |-  { <. x ,  y >.  |  ( x  e.  B  /\  E. z  e.  B  ( z  .x.  x )  =  y ) }  =  { <. x ,  y >.  |  ( x  e.  B  /\  E. z  e.  B  ( z  .x.  x )  =  y ) }
4341, 42brabga 4295 . . . . 5  |-  ( ( X  e.  _V  /\  Y  e.  _V )  ->  ( X { <. x ,  y >.  |  ( x  e.  B  /\  E. z  e.  B  ( z  .x.  x )  =  y ) } Y  <->  ( X  e.  B  /\  E. z  e.  B  ( z  .x.  X )  =  Y ) ) )
4443adantl 277 . . . 4  |-  ( (
ph  /\  ( X  e.  _V  /\  Y  e. 
_V ) )  -> 
( X { <. x ,  y >.  |  ( x  e.  B  /\  E. z  e.  B  ( z  .x.  x )  =  y ) } Y  <->  ( X  e.  B  /\  E. z  e.  B  ( z  .x.  X )  =  Y ) ) )
4534, 44bitrd 188 . . 3  |-  ( (
ph  /\  ( X  e.  _V  /\  Y  e. 
_V ) )  -> 
( X  .||  Y  <->  ( X  e.  B  /\  E. z  e.  B  ( z  .x.  X )  =  Y ) ) )
4645ex 115 . 2  |-  ( ph  ->  ( ( X  e. 
_V  /\  Y  e.  _V )  ->  ( X 
.||  Y  <->  ( X  e.  B  /\  E. z  e.  B  ( z  .x.  X )  =  Y ) ) ) )
479, 31, 46pm5.21ndd 706 1  |-  ( ph  ->  ( X  .||  Y  <->  ( X  e.  B  /\  E. z  e.  B  ( z  .x.  X )  =  Y ) ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    <-> wb 105    = wceq 1364    e. wcel 2164   E.wrex 2473   _Vcvv 2760   class class class wbr 4030   {copab 4090   Rel wrel 4665   ` cfv 5255  (class class class)co 5919   Basecbs 12621   .rcmulr 12699  SRingcsrg 13462   ||rcdsr 13585
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 615  ax-in2 616  ax-io 710  ax-5 1458  ax-7 1459  ax-gen 1460  ax-ie1 1504  ax-ie2 1505  ax-8 1515  ax-10 1516  ax-11 1517  ax-i12 1518  ax-bndl 1520  ax-4 1521  ax-17 1537  ax-i9 1541  ax-ial 1545  ax-i5r 1546  ax-13 2166  ax-14 2167  ax-ext 2175  ax-sep 4148  ax-pow 4204  ax-pr 4239  ax-un 4465  ax-setind 4570  ax-cnex 7965  ax-resscn 7966  ax-1cn 7967  ax-1re 7968  ax-icn 7969  ax-addcl 7970  ax-addrcl 7971  ax-mulcl 7972  ax-addcom 7974  ax-addass 7976  ax-i2m1 7979  ax-0lt1 7980  ax-0id 7982  ax-rnegex 7983  ax-pre-ltirr 7986  ax-pre-ltadd 7990
This theorem depends on definitions:  df-bi 117  df-3an 982  df-tru 1367  df-fal 1370  df-nf 1472  df-sb 1774  df-eu 2045  df-mo 2046  df-clab 2180  df-cleq 2186  df-clel 2189  df-nfc 2325  df-ne 2365  df-nel 2460  df-ral 2477  df-rex 2478  df-rab 2481  df-v 2762  df-sbc 2987  df-csb 3082  df-dif 3156  df-un 3158  df-in 3160  df-ss 3167  df-nul 3448  df-pw 3604  df-sn 3625  df-pr 3626  df-op 3628  df-uni 3837  df-int 3872  df-br 4031  df-opab 4092  df-mpt 4093  df-id 4325  df-xp 4666  df-rel 4667  df-cnv 4668  df-co 4669  df-dm 4670  df-rn 4671  df-res 4672  df-iota 5216  df-fun 5257  df-fn 5258  df-fv 5263  df-riota 5874  df-ov 5922  df-oprab 5923  df-mpo 5924  df-pnf 8058  df-mnf 8059  df-ltxr 8061  df-inn 8985  df-2 9043  df-3 9044  df-ndx 12624  df-slot 12625  df-base 12627  df-sets 12628  df-plusg 12711  df-mulr 12712  df-0g 12872  df-mgm 12942  df-sgrp 12988  df-mnd 13001  df-mgp 13420  df-srg 13463  df-dvdsr 13588
This theorem is referenced by:  dvdsr2d  13594  dvdsrmuld  13595  dvdsrcld  13596  dvdsrcl2  13598  dvdsrtr  13600  dvdsrmul1  13601  opprunitd  13609  crngunit  13610  rhmdvdsr  13674  subrgdvds  13734  cnfldui  14088
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